youtube-dl-service/backend/main.go

94 lines
2.1 KiB
Go

package main
import (
"fmt"
"log"
"net/http"
"path/filepath"
"strconv"
"git.andreafazzi.eu/andrea/youtube-dl-service/task"
"git.andreafazzi.eu/andrea/youtube-dl-service/youtube"
youtube_dl "git.andreafazzi.eu/andrea/youtube-dl-service/youtube/youtube-dl"
"github.com/gin-contrib/cors"
"github.com/gin-gonic/gin"
)
var tasks task.Tasks
func init() {
log.SetPrefix("[youtube-dl-service] ")
tasks = make(task.Tasks, 0)
}
func download(c *gin.Context, downloader youtube.Downloader) error {
video, err := downloader.GetVideo()
if err != nil {
return err
}
c.JSON(http.StatusOK, video)
go downloader.StartDownload(video, tasks)
return nil
}
func status(c *gin.Context, downloader youtube.Downloader) error {
id, err := downloader.ExtractVideoID()
if err != nil {
return err
}
task, ok := tasks[id]
if ok {
c.JSON(http.StatusOK, task)
}
return nil
}
func serveFile(c *gin.Context, filename string) error {
c.Writer.Header().Set("Content-Disposition", "attachment; filename="+strconv.Quote(tasks[filepath.Base(filename)].Filename))
c.Writer.Header().Set("Content-Type", "application/octet-stream")
http.ServeFile(c.Writer, c.Request, filepath.Join("data", filename))
return nil
}
func main() {
r := gin.Default()
r.Use(cors.New(cors.Config{
AllowOrigins: []string{
"http://localhost:8080",
"http://localhost:5000",
"https://yt-dls.andreafazzi.eu",
},
AllowCredentials: true,
AllowHeaders: []string{"*"},
}))
r.Use(gin.CustomRecovery(func(c *gin.Context, recovered interface{}) {
if err, ok := recovered.(string); ok {
c.String(http.StatusInternalServerError, fmt.Sprintf("error: %s", err))
}
c.AbortWithStatus(http.StatusInternalServerError)
}))
r.GET("/data/:filename", func(c *gin.Context) {
if err := serveFile(c, c.Param("filename")); err != nil {
panic(err)
}
})
r.GET("/download", func(c *gin.Context) {
if err := download(c, youtube_dl.NewYoutubeDlDownloader(c.Query("url"), "yt-dlp")); err != nil {
panic(err)
}
})
r.GET("/status", func(c *gin.Context) {
if err := status(c, youtube_dl.NewYoutubeDlDownloader(c.Query("url"), "yt-dlp")); err != nil {
panic(err)
}
})
r.Run()
}